Home / 3,096.12-4,271.20-2,255.47

Finding the Fourth Proportional to 3,096.12, 4,271.20 and 2,255.47

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Solution

The fourth proportional to 3,096.12, 4,271.20 and 2,255.47 is: 3,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.12 : 4,271.20 = 2,255.47 : x
  2. Step 2: Convert to fraction form
    3,096.12/4,271.20 = 2,255.47/x
  3. Step 3: Cross multiply
    3,096.12x = 4,271.20 × 2,255.47
  4. Step 4: Simplify right side
    3,096.12x = 9,633,563.46
  5. Step 5: Solve for x
    x = 9,633,563.46/3,096.12
  6. Step 6: Final answer
    x = 3,111.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.